mac: Add location entitlement

Now that we are starting to use the Core Location API for geolocation
the Chrome app should probably have the location entitlement.

Bug: 1051591
Change-Id: I66ff154a77298179737f12d4c00d43153422e325
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2401269Reviewed-by: Leonard Grey <lgrey@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805487}

chrome/app/app-entitlements.plist

@@ -12,5 +12,7 @@
 	<true/>
 	<key>com.apple.security.device.usb</key>
 	<true/>
+	<key>com.apple.security.personal-information.location</key>
+	<true/>
 </dict>
 </plist>